Catechin
Type of natural phenol as a plant secondary metabolite / From Wikipedia, the free encyclopedia
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Catechin /ˈkætɪtʃɪn/ is a flavan-3-ol, a type of secondary metabolite providing antioxidant roles in plants. It belongs to the subgroup of polyphenols called flavonoids.
Quick Facts Names, Identifiers ...
Names | |
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IUPAC name
(2R,3S)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol | |
Other names
Cianidanol Cyanidanol (+)-catechin D-Catechin Catechinic acid Catechuic acid Cianidol Dexcyanidanol (2R,3S)-Catechin 2,3-trans-Catechin (2R,3S)-Flavan-3,3′,4′,5,7-pentol | |
Identifiers | |
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3D model (JSmol) |
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3DMet | |
ChEBI | |
ChEMBL | |
ChemSpider |
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ECHA InfoCard | 100.005.297 |
EC Number |
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KEGG | |
PubChem CID |
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UNII |
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CompTox Dashboard (EPA) |
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Properties | |
C15H14O6 | |
Molar mass | 290.271 g·mol−1 |
Appearance | Colorless solid |
Melting point | 175 to 177 °C (347 to 351 °F; 448 to 450 K) |
UV-vis (λmax) | 276 nm |
Chiral rotation ([α]D) |
+14.0° |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards |
Mutagenic for mammalian somatic cells, mutagenic for bacteria and yeast |
GHS labelling: | |
Warning | |
H315, H319, H335 | |
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501 | |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
(+)-catechin : 10,000 mg/kg in rat (RTECS) 10,000 mg/kg in mouse 3,890 mg/kg in rat (other source) |
Safety data sheet (SDS) | sciencelab AppliChem[permanent dead link] |
Pharmacology | |
Oral | |
Pharmacokinetics: | |
Urines | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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The name of the catechin chemical family derives from catechu, which is the tannic juice or boiled extract of Mimosa catechu (Acacia catechu L.f).[1]